dsanderson

4 ms·

1. 1.▲
   by dsanderson 14y ago

   Sorry for the delay, I didn't realize you had replied (is there some global notification UI element I should look for?) I don't know if you'll see this, but I'll reply anyway. I'm not from California, nor have I studied their tests, nor di
2. 2.▲
   by dsanderson 14y ago

   Standardized tests claim to measure those quantities. To be fair, my school system was quite good, so I don't think I suffered too greatly from teaching to the test, but I did read quite a few of the study/test guides put out by Kaplan a
3. 3.▲
   by dsanderson 14y ago

   Yeah, I modified an old CVS disposable digital camera to do this once. Those filters only block near IR (as mentioned in the article), basically light just outside our vision spectrum. You can use infrared LED's and a camera thus modified